Question

Select the correct statement:

• A. $Xe{F}_2$ is a linear molecule with 2 lone pairs (l.p)
• B. Perxenate ion is $[Xe{O}_6{]}^{4-}$ with a distorted octahedral geometry
• C. $Xe{F}_2$ is a linear molecule with 3 lone pairs (l.p)
• D. None of these

Answer 1

The correct option is C $Xe{F}_2$ is a linear molecule with 3 lone pairs (l.p)




$Xe{F}_2$ has 2 bond pairs and 3 lone pairs and so is $s{p}^{3}d$ hybridized with trigonal bipyramidal geometry in which, the 3 lone pairs are placed in the equatorial positions (according to Bent's rule) to minimize the repulsions and the two $F$ atoms are placed in the axial positions, giving a linear shape.

$[Xe{O}_6{]}^{4-}$ has 6 bonding atoms and no lone pairs and so, is $s{p}^3$ hybridized with its geometry and shape both being octahedral.